The fractional distillation of coaltar yields

Options

A. carbon disulphide
B. kerosene oil
C. carbon tetrachloride
D. benzene

Answer

**Step-by-Step Solution:**

1. **Understanding the Process**: Fractional distillation is a method used to separate a mixture into its component parts based on differences in boiling points. In this case, we are looking at coal tar, which is a complex mixture of various organic compounds.

2. **Identifying the Components of Coal Tar**: Coal tar is a byproduct of the carbonization of coal and contains a variety of organic compounds, including aromatic hydrocarbons, phenols, and heterocyclic compounds.

3. **Recognizing Aromatic Hydrocarbons**: The primary products obtained from the fractional distillation of coal tar are aromatic hydrocarbons. These include compounds such as benzene, naphthalene, and toluene.

4. **Analyzing the Options**:
- Option 1: Carbon disulfide (CS2) - Not an aromatic hydrocarbon.
- Option 2: Kerosene oil - Not derived from coal tar.
- Option 3: Carbon tetrachloride (CCl4) - Not an aromatic hydrocarbon.
- Option 4: Benzene (C6H6) - An aromatic hydrocarbon and a major product of coal tar distillation.

5. **Conclusion**: Since benzene is an aromatic hydrocarbon and is produced from the fractional distillation of coal tar, the correct answer is **Option 4: Benzene**.

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